| BMP ID |
Short Title |
Text of BMP |
|---|
| 5574 |
Add a trash rack upstream of the pipe or at the pipe entrance. |
"Drainage Crossing Culverts: On existing pipes with plugging potential, add a trash rack upstream of the pipe or at the pipe entrance (inlet) to trap ... |
| 5521 |
Add extra capacity to structures in drainages with uncertain flow. |
"Hydrology for Drainage Crossing Design: Add freeboard or extra capacity to structures in drainages with uncertain flow or for debris passage in ... |
| 5569 |
Align culverts in the bottom and middle of the natural channel. |
"Drainage Crossing Culverts: Align culverts in the bottom and middle of the natural channel so that installation causes no change in the stream ... |
| 5625 |
Allow for freeboard between bottom of bridge girders and expected high water level/floating debris. |
"Bridges: Allow for some freeboard, typically at least 0.5 to 1.0 meter, between the bottom of bridge girders and expected high water level and ... |
| 5504 |
Apply a surface stabilization material to the road surface. |
"Maintenance: Apply a surface stabilization material, such as aggregate, cobblestone, or pavement, to the road surface to protect the roadbed from ... |
| 5663 |
Apply erosion control measures before the rainy season begins and after each season of construction |
"Erosion Control: Apply erosion control measures before the rainy season begins and after each season of construction, preferably immediately ... |
| 5662 |
Apply local, native grass seed and mulch to erosive soil. |
"Erosion Control: Apply local, native grass seed and mulch to barren erosive soil areas or closed road surfaces. Mulch material may be straw, wood ... |
| 5397 |
Apply special techniques when crossing meadows, riparian areas, and when controlling gullies. |
"Some key Best Management Practices for road design and construction include the following: Applying special techniques when crossing meadows, ... |
| 5545 |
Armor roadway ditches and leadoff ditches with rock riprap. |
"Control at Inlets & Outlets: In erosive soils, armor roadway ditches and leadoff ditches with rock riprap (Photo 7.7), masonry, concrete lining or, ... |
| 5384 |
Avoid alteration of natural drainage patterns. |
"Some key Best Management Practices for road design and construction include the following: Avoiding alteration of natural drainage patterns" |
| 5391 |
Avoid constriction of the active stream channel. |
"Some key Best Management Practices for road design and construction include the following: Avoiding constriction of the active (bankfull width) ... |
| 5505 |
Avoid disturbing soil and vegetation if not necessary. |
"Maintenance: Avoid disturbing soil and vegetation if not necessary. Leave as much vegetation (grasses) in ditches, on road shoulder areas, and on ... |
| 5414 |
Avoid problematic locations in road placement. |
"Location: Avoid problematic locations such as springs, wet areas, landslides, steep slopes, massive rock outcrops, flood plains, and highly erosive ... |
| 5387 |
Avoid problems such as wet and unstable areas |
"Some key Best Management Practices for road design and construction include the following: Avoiding problems such as wet and unstable areas" |
| 5386 |
Avoid steep ground with slopes over 60 percent. |
"Some key Best Management Practices for road design and construction include the following: Avoiding steep ground with slopes over 60 percent" |
| 5532 |
Avoid steep road grades in excess of 12 to 18%. |
"Roadway Surface Drainage Control: Avoid steep road grades in excess of 12 to 18%. It is very difficult and expensive to properly control drainage on ... |
| 5542 |
Avoid the use of outside ditches except in specific areas. |
"Roadway Surface Drainage Control: Avoid the use of outside ditches, along the outside edge of the road, except in specific areas that must be ... |
| 5415 |
Avoid very steep and very flat terrain in road placement. |
"Location: Avoid very steep terrain (over 60%) and very flat terrain where drainage is difficult to control." |
| 5507 |
Avoid widening the road by blading surface material off the road. |
"Maintenance: Avoid widening the road or oversteepening the fill slopes formed by blading surface material off the road." |
| 5419 |
Build footpaths along roadsides when necessary. |
"General Design: In community and urban areas, build footpaths along the road for the safety of people walking along the road. Use roadway surfacing ... |
